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Radon is a colorless, odorless, tasteless, and chemically inert radioactive gas. It is formed by the natural radioactive decay of uranium in rock, soil, and water. Naturally existing, low levels of uranium occur widely in Earth's crust. It can be found in all 50 states. Unless you test for it, there is no way of telling how much is present.
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Radon test kits available for purchase

Short term test kits (3-4 days) are $15, which includes all costs. Just follow the instructions on the package and return the kit to the manufacturer for analysis at no extra charge. If you have completed a short term test obtained from this site, you can use the test's serial number to access your results at www.radon.com.

Long term test kits (3-12 months) are $25, which includes all costs. Just follow the instructions on the package and return the kit to the manufacturer for analysis at no extra charge. If you have completed a long term test obtained from this site, you can use the test's serial number to access your results at www.accustarlabs.com.

The Environmental Protection Agency (EPA) encourages all homeowners to test their residences for radon gas concentrations. The National Radon Program Services at Kansas State University (K-state) has radon test kits available for purchase by homeowners for personal use.

"Why are short-and long-term test kits used?"

Test kits purchases from individuals outside the United States are not supported/accepted by our system due to shipping costs and time delays which can impact the analysis process of the test kits.

Option 1 - Purchase online with a credit card

The National Radon Program Services at Kansas State University (K-state) has test kits available to purchase online.  To be able to order a kit online, you will first need to create an account with the K-State Division of Continuing Education.  Once your account has been created, log into the account and select the type of radon test kit you would like to order, and complete the steps for checkout and payment.

Option 2 - Mail or fax online order form

You may print and complete an order form and mail with a check.

Radon Test kit return policy

  • damaged or unusable test kits will not be refunded
  • test kits returned in good, unopened condition within 30 days of purchase will be refunded  the purchase price less a $5  per order restocking/processing fee
  • if you paid by credit card your account will be credited
  • if you paid by check please provide your complete mailing address and phone number so we can issue a refund check
  • kits must be returned at your expense
  • kits should be returned to:
         National Radon Program Services
         133 Ward Hall
         Manhattan, KS   66506-2508